Radiology Which of the following is not true about non contrast CT scan in head injury? A Subdural hematoma increase in density over lesional CT scans over weeks B Extra dural haematomas are usually lens shaped C Acute subdural hematoma appears as crescent shadow of increased density D Subarachnoid haemorrhage appears as areas of increased density in basilar cisterns π‘ Explanation Which of the following is not true about non contrast CT scan in head injury? β Correct Answer: A. Subdural hematoma increase in density over lesional CT scans over weeks